40.72.0.0/16 Shanghai Blue Cloud Technology Co.,Ltd
Announced by AS58593 Shanghai Blue Cloud Technology Co.,Ltd. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 40.72.0.0/16
Prefix
Origin
AS58593 BLUECLOUD
RPKI
RPKI valid
Size
65,536 addresses
Less specific
More specifics
2
IRR route objects
2 exact, 2 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 40.72.0.0/16 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 13760 8075 58593
| Origin | AS58593 Shanghai Blue Cloud Technology Co.,Ltd |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 4d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075 58593
| Origin | AS58593 Shanghai Blue Cloud Technology Co.,Ltd |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075 58593
| Origin | AS58593 Shanghai Blue Cloud Technology Co.,Ltd |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 5h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS58593 to originate 40.72.0.0/16 up to /32. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 40.72.0.0/16 | /32 | AS58593 BLUECLOUD | APNIC |
| 40.72.0.0/15 | /32 | AS58593 BLUECLOUD | APNIC |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 40.72.0.0/16 | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 40.72.0.0/16 | AS58593 BLUECLOUD | RADB | Microsoft China | MAINT-AS8075 |
| 40.72.0.0/15 covering | AS4134 CHINANET-BACKBONE | LEVEL3 | Proxy-registered route object | XINGXUNTECHLTD-MNT |
| 40.72.0.0/15 covering | AS58593 BLUECLOUD | RADB | Microsoft China | MAINT-AS8075 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 40.72.0.0/16
2 announced prefixes fall inside this one.